<?php

${"'"} = 'П';
${'"'} = 'н';
$а     = 'P';
$в     = 'д';
$д     = 'и';
$е     = 'р';
$н     = 'а';
$П     = 'е';
$р     = 'в';
$P     = 'H';
$H     = PHP_EOL;

echo ${"'"}.$${"'"}.$$${"'"}.$${"'"}.$$$${"'"}.$${"'"}.$$$$${"'"}.$$$$$${"'"};
echo ' '.${'"'}.$${'"'}.' '.$$${'"'}.$$$${'"'}.$$${'"'}.$$$$${'"'};